ScienceDaily: Cosmic Rays News |
| How did a third radiation belt appear in the Earth's upper atmosphere? Posted: 20 Jun 2013 01:28 PM PDT How did a third radiation belt appear in the Earth's upper atmosphere, and then almost completely disappear? |
| Dusty surprise around giant black hole Posted: 20 Jun 2013 04:14 AM PDT ESO's Very Large Telescope Interferometer has gathered the most detailed observations ever of the dust around the huge black hole at the centre of an active galaxy. Rather than finding all of the glowing dust in a doughnut-shaped torus around the black hole, as expected, the astronomers find that much of it is located above and below the torus. These observations show that dust is being pushed away from the black hole as a cool wind — a surprising finding that challenges current theories and tells us how supermassive black holes evolve and interact with their surroundings. |
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